Warning lots of boring PS4 focused reading material ahead! This is not a versus thread.
http://en.wikipedia.org/wiki/PlayStation_4_technical_specifications
http://www.gamasutra.com/view/feature/191007/inside_the_playstation_4_with_mark_.php
http://www.eurogamer.net/articles/digitalfoundry-how-the-crew-was-ported-to-playstation-4
http://www.redgamingtech.com/ps4-hardware-whats-inside-the-ps4
http://www.redgamingtech.com/playstation-4-audio-dsp-based-on-amds-trueaudio-technology
http://www.redgamingtech.com/playst...deon-volcanic-island-gpu-compute-similarities
http://www.redgamingtech.com/infamous-second-son-engine-postmortem-analysis-breakdown
http://www.redgamingtech.com/infamo...art-2-ps4-performance-compute-particle-system
http://www.redgamingtech.com/ps4-architecture-naughty-dog-sinfo-analysis-technical-breakdown/
http://www.redgamingtech.com/ps4-architecture-naughty-dog-sinfo-analysis-technical-breakdown-part-2/
tl;dr unified memory, HSA/hUMA-like architecture, and GPGPU might be significant for getting more performance out of PS4's hardware in the future. Not to say anything about other hardware.
http://en.wikipedia.org/wiki/PlayStation_4_technical_specifications
http://www.gamasutra.com/view/feature/191007/inside_the_playstation_4_with_mark_.php
http://www.eurogamer.net/articles/digitalfoundry-how-the-crew-was-ported-to-playstation-4
http://www.redgamingtech.com/ps4-hardware-whats-inside-the-ps4
http://www.redgamingtech.com/playstation-4-audio-dsp-based-on-amds-trueaudio-technology
http://www.redgamingtech.com/playst...deon-volcanic-island-gpu-compute-similarities
http://www.redgamingtech.com/infamous-second-son-engine-postmortem-analysis-breakdown
http://www.redgamingtech.com/infamo...art-2-ps4-performance-compute-particle-system
http://www.redgamingtech.com/ps4-architecture-naughty-dog-sinfo-analysis-technical-breakdown/
http://www.redgamingtech.com/ps4-architecture-naughty-dog-sinfo-analysis-technical-breakdown-part-2/
tl;dr unified memory, HSA/hUMA-like architecture, and GPGPU might be significant for getting more performance out of PS4's hardware in the future. Not to say anything about other hardware.